add UTF-8 encoding comment

NSoiffer · NSoiffer · commit 22c40691c2e5 · 2023-08-14T04:19:18.000+01:00
diff --git a/addon/globalPlugins/MathCAT/MathCATPreferences.py b/addon/globalPlugins/MathCAT/MathCATPreferences.py
@@ -1,3 +1,5 @@
+# -*- coding: UTF-8 -*-
+
 import math
 import wx
 from . import MathCATgui
